| # SPDX-License-Identifier: GPL-2.0 |
| # |
| # Makefile for the linux kernel. |
| # |
| |
| ifdef CONFIG_FUNCTION_TRACER |
| |
| # Do not trace tracer code |
| CFLAGS_REMOVE_ftrace.o = $(CC_FLAGS_FTRACE) |
| |
| # Do not trace early setup code |
| CFLAGS_REMOVE_early.o = $(CC_FLAGS_FTRACE) |
| CFLAGS_REMOVE_rethook.o = $(CC_FLAGS_FTRACE) |
| |
| endif |
| |
| GCOV_PROFILE_early.o := n |
| KCOV_INSTRUMENT_early.o := n |
| UBSAN_SANITIZE_early.o := n |
| KASAN_SANITIZE_ipl.o := n |
| KASAN_SANITIZE_machine_kexec.o := n |
| |
| # |
| # Passing null pointers is ok for smp code, since we access the lowcore here. |
| # |
| CFLAGS_smp.o := -Wno-nonnull |
| |
| # |
| # Disable tailcall optimizations for stack / callchain walking functions |
| # since this might generate broken code when accessing register 15 and |
| # passing its content to other functions. |
| # |
| CFLAGS_stacktrace.o += -fno-optimize-sibling-calls |
| CFLAGS_dumpstack.o += -fno-optimize-sibling-calls |
| CFLAGS_unwind_bc.o += -fno-optimize-sibling-calls |
| |
| obj-y := head64.o traps.o time.o process.o earlypgm.o early.o setup.o idle.o vtime.o |
| obj-y += processor.o syscall.o ptrace.o signal.o cpcmd.o ebcdic.o nmi.o |
| obj-y += debug.o irq.o ipl.o dis.o diag.o vdso.o cpufeature.o |
| obj-y += sysinfo.o lgr.o os_info.o ctlreg.o |
| obj-y += runtime_instr.o cache.o fpu.o dumpstack.o guarded_storage.o sthyi.o |
| obj-y += entry.o reipl.o kdebugfs.o alternative.o |
| obj-y += nospec-branch.o ipl_vmparm.o machine_kexec_reloc.o unwind_bc.o |
| obj-y += smp.o text_amode31.o stacktrace.o abs_lowcore.o facility.o |
| |
| extra-y += vmlinux.lds |
| |
| obj-$(CONFIG_SYSFS) += nospec-sysfs.o |
| CFLAGS_REMOVE_nospec-branch.o += $(CC_FLAGS_EXPOLINE) |
| |
| obj-$(CONFIG_MODULES) += module.o |
| obj-$(CONFIG_SCHED_TOPOLOGY) += topology.o |
| obj-$(CONFIG_NUMA) += numa.o |
| obj-$(CONFIG_AUDIT) += audit.o |
| compat-obj-$(CONFIG_AUDIT) += compat_audit.o |
| obj-$(CONFIG_COMPAT) += compat_linux.o compat_signal.o |
| obj-$(CONFIG_COMPAT) += $(compat-obj-y) |
| obj-$(CONFIG_EARLY_PRINTK) += early_printk.o |
| obj-$(CONFIG_KPROBES) += kprobes.o |
| obj-$(CONFIG_KPROBES) += kprobes_insn_page.o |
| obj-$(CONFIG_KPROBES) += mcount.o |
| obj-$(CONFIG_RETHOOK) += rethook.o |
| obj-$(CONFIG_FUNCTION_TRACER) += ftrace.o |
| obj-$(CONFIG_FUNCTION_TRACER) += mcount.o |
| obj-$(CONFIG_CRASH_DUMP) += crash_dump.o |
| obj-$(CONFIG_KEXEC_CORE) += machine_kexec.o relocate_kernel.o |
| obj-$(CONFIG_UPROBES) += uprobes.o |
| obj-$(CONFIG_JUMP_LABEL) += jump_label.o |
| |
| obj-$(CONFIG_KEXEC_FILE) += machine_kexec_file.o kexec_image.o |
| obj-$(CONFIG_KEXEC_FILE) += kexec_elf.o |
| obj-$(CONFIG_CERT_STORE) += cert_store.o |
| obj-$(CONFIG_IMA_SECURE_AND_OR_TRUSTED_BOOT) += ima_arch.o |
| |
| obj-$(CONFIG_PERF_EVENTS) += perf_event.o |
| obj-$(CONFIG_PERF_EVENTS) += perf_cpum_cf.o perf_cpum_sf.o |
| obj-$(CONFIG_PERF_EVENTS) += perf_cpum_cf_events.o perf_regs.o |
| obj-$(CONFIG_PERF_EVENTS) += perf_pai_crypto.o perf_pai_ext.o |
| |
| obj-$(CONFIG_TRACEPOINTS) += trace.o |
| obj-$(findstring y, $(CONFIG_PROTECTED_VIRTUALIZATION_GUEST) $(CONFIG_PGSTE)) += uv.o |
| |
| # vdso |
| obj-y += vdso64/ |
| obj-$(CONFIG_COMPAT) += vdso32/ |